What's the noun for dictionary? Here's the word you're looking for.
dictionary
A reference work with a list of words from one or more languages, normally ordered alphabetically, explaining each word's meaning, and sometimes containing information on its etymology, pronunciation, usage, translations, and other data.
(computing) An associative array, a data structure where each value is referenced by a particular key, analogous to words and definitions in a physical dictionary.
“The renowned dictionarian meticulously analyzes lexicons from various languages to compile comprehensive dictionaries with precise definitions and accurate translations.”
“Josephine aspired to become a dictionarist, aiming to contribute to the world of lexicography by creating comprehensive dictionaries for different languages.”